package PX.MaoPao;

import java.util.Arrays;

public class BubbleSort {
    public static void main(String[] args) {
        int arr[] = {3,9,-1,10,20};
        System.out.println(Arrays.toString(arr));
        int temp = 0;
        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = 0;j<arr.length - 1 - i;j++){
                if (arr[j]>arr[j+1]){
                    temp = arr[j];
                    arr[j] = arr[j+1];
                    arr[j+1] = temp;
                }
            }
        }

        System.out.println(Arrays.toString(arr));

    }
}
